Hi after many successful hours of printing suddenly my Y axis will not zero. It gets to about 2 inches from the contact switch and the stepper motor pauses and hitches and then continues and then stops and then finally gets to the stop.
The first symptom occurred mid print when suddenly the printing in the y axis was way off. (like 75mm or so)
Is this the:
I checked the belt and it seems fine. Tension is good and I can’t find any missing teeth.
How do I troubleshoot this?